const CryptoJS = require('crypto-js')
const key = CryptoJS.enc.Utf8.parse('1234123412ABCDEF') // 十六位十六进制数作为密钥
const iv = CryptoJS.enc.Utf8.parse('ABCDEF1234123412') // 十六位十六进制数作为密钥偏移量

// 解密方法
function Decrypt (word) {
  let encryptedHexStr = CryptoJS.enc.Hex.parse(word)
  let srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr)
  let decrypt = CryptoJS.AES.decrypt(srcs, key, {
    iv: iv,
    mode: CryptoJS.mode.CBC,
    padding: CryptoJS.pad.Pkcs7
  })
  let decryptedStr = decrypt.toString(CryptoJS.enc.Utf8)
  // console.log(decryptedStr)
  return decryptedStr.toString()
}

// 加密方法
function Encrypt (word) {
  let srcs = CryptoJS.enc.Utf8.parse(word)
  let encrypted = CryptoJS.AES.encrypt(srcs, key, {
    iv: iv,
    mode: CryptoJS.mode.CBC,
    padding: CryptoJS.pad.Pkcs7
  })
  return encrypted.ciphertext.toString().toUpperCase()
}

export default {
  Decrypt,
  Encrypt
}
